中国地震台网正式测定：03月31日23时45分在云南德宏州盈江县（北纬24.74度，东经97.74度）发生3.7级地震，震源深度10千米。

市场消息：欧盟国家呼吁谨慎动用战略石油储备。

A shift toward electric-arc furnace steelmaking could help China’s steel sector restore profitability eroded by overcapacity and weak demand, the Centre for Research on Energy and Clean Air said. Raising EAF usage to 20% by 2030 could improve margins and generate up to 220 billion yuan in annual profits. “The 15th Five-Year Plan provides a critical window,” said Xinyi Shen, adding the transition could also cut emissions by nearly 37% by 2035.